Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Field Museum of Natural History
Catalog #: C0511451F
M. S. Snyder #s.n.
Antithamnion floccosum (O.F.Müller) Kleen
United States, California, San Diego, La Jolla, San Diego Co.

University of Michigan
Catalog #: 642039
Mary S. Snyder #s.n.
Antithamnionella floccosa (O.F.Müller) Whittick
United States, California, San Diego, La Jolla

University of Michigan
Catalog #: 660350
Mary S. Snyder #s.n.
Irtugovia pacifica (Harvey) Perestenko
United States, California, San Diego, La Jolla

San Diego Natural History Museum - Algae
Catalog #: SD00005021
Mary S. Snyder #s.n.
Irtugovia pacifica (Harvey) Perestenko
United States, California, San Diego, La Jolla

San Diego Natural History Museum - Algae
Catalog #: SD00005022
Mary S. Snyder #s.n.
Irtugovia pacifica (Harvey) Perestenko
United States, California, San Diego, La Jolla

Brown University - Algae
Catalog #: ABRU00002697
Mrs. E. Snyder s.n.
Antithamnion floccosum var. pacificum (Harvey) Collins, Holden & Setchell, 1895
United States, California, La Jolla, CA

Yale University Herbarium
Catalog #: YU.091227
Mrs. E. Snyder s.n.
Antithamnion floccosum f. pacificum (Harvey) Setchell & N.L.Gardner
United States, California, San Diego, La Jolla, CA

Michigan State University Algae
Catalog #: MSC0183104
Mrs. E. Snyder #s.n.
Irtugovia pacifica (Harvey) Perestenko
United States, California, San Diego, La Jolla

Miami University - Algae
Catalog #: 000186496
Mrs. E. Snyder #s.n.
Antithamnion floccosum var. pacificum (Harvey) Collins, Holden & Setchell, 1895
United States, California, San Diego, La Jolla

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0033591
Snyder, Mrs. E. #s.n.
Antithamnion floccosum f. pacificum (Harvey) Setchell & N.L.Gardner
United States, California, San Diego, La Jolla, California